Circulating pumps: Heating and water supply systems, performance (NT VVS 073)

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  • Report #: NT VVS 073
  • Approved: November 1988
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This NORDTEST method describes a test for the determination of the performance of circulating pumps for heating and water supply systems.


Nordtest is a trademark of Nordic cooperation in conformity assessment. The emphasis of Nordtest is to develop, promote and innovate Nordic test methods and pre-normative activity. Nordtest endeavours to remove technical barriers to trade and promotes the concept: “Approved once, accepted everywhere”.